Fence Requirements: Renton vs Seattle
How do fence requirements rules compare between Renton, WA and Seattle, WA?
Renton and Seattle have similar restriction levels.
Renton, WA
King County
Renton fences must meet RMC 4-4-040 standards for height, setbacks, structural soundness, sight triangles, and material limits barring barbed wire and electrified fencing in residential zones.
View full Renton rules →Seattle, WA
King County
In unincorporated King County, front-yard fences may be up to 4 ft tall and side and rear fences up to 6 ft. Corner lots must keep vision clearance. Critical-area buffers may restrict fencing.
View full Seattle rules →Key Facts Comparison
| Fact | Renton | Seattle |
|---|---|---|
| Structural | Must be sound and maintained | - |
| Property Line | Fence on owner's side | - |
| Barbed Wire | Prohibited residential | - |
| Electrified Fences | Not in residential | - |
| HOA Rules | May be stricter | - |
| Front Yard Max | - | 4 ft |
| Side/Rear Max | - | 6 ft |
| Over 6 ft | - | Permit required |
| Vision Triangle | - | About 30 in on corners |
| Critical Areas | - | Special rules |
Highlighted rows indicate differences between cities.
Renton FAQ
Can I have an electric fence in my backyard?
No. Electrified fencing is not allowed in residential zones. It may be permitted in industrial zones with administrative approval and proper signage.
Do I have to remove an old damaged fence?
Yes. Fences must be maintained in a structurally sound condition. Code Enforcement can require repair or removal of collapsed or unsafe fences.
Seattle FAQ
How tall can I build a fence in my front yard in unincorporated King County?
Up to 4 feet in the required front-yard setback in residential zones under KCC Title 21A. Side and rear yard fences may go up to 6 feet without a permit.
Do fence rules differ on waterfront property?
Yes. Shorelines and stream buffers are regulated under KCC 21A.24 and the Shoreline Master Program. Fences may need to be open-design or set back from buffers to preserve salmon habitat.
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